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  1. B

    How do slip rings in an Ac generator work? I'm really confused

    I don't understand how it works I need help
  2. B

    hello i need help on a volume intergration question.

    q. Find the volume of the solid of revolution formed if the area enclosed between the curves y=x^2 and y= (x-2)^2 is rotated about the x axis.
  3. B

    unsure how to do perm and comb questions

    1.There are 8 green cards, 8 red cards and 8 yellow cards. Find the probability that at least 2 green cards are chosen. 2. A committee of four is to be formed from 5 men and 4 women. In how many ways can the committee be chosen if it contains at least 2 women? Thanks
  4. B

    need help/advice

    Hello BoS, just finished my preliminary year and have a very big issue that i hope to be able to solve before my HSC. The one thats been troubling me is my bad marks, and i've been an active learner in all my classes(im always asking questions for whenever i have problems) and have been...
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